# NTSB MKC73FTK04: Cessna 170A, N5740C, Lemmon, SD, August 18, 1972

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: August 18, 1972
- Place: Lemmon, SD · LEMMON, SD
- Location: 45.9383° N, 102.1598° W: Placed by OpenAirDocs: center of Lemmon, SD, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=45.9383&lon=-102.1598&mi=10
- Phase of flight: [Takeoff](https://openairdocs.org/ntsb-phases/300) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor
- Status: Completed, report March 13, 1973
- Report: Brief approved by the director
- NTSB case key (mKey): 167935
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC73FTK04
- Page: https://openairdocs.org/ntsb/MKC73FTK04

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2986  72/8/18    LEMMON,S DAK        CESSNA 170A         CR-  0  0  1  INSTRUCTIONAL             STUDENT, AGE 38, 40 TOTAL
        TIME - 1820                    N5740C              PX-  0  0  0  TRAINING                  HOURS, ALL IN TYPE, NOT
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        NAME OF AIRPORT - LEMMON MUNICIPAL
        DEPARTURE POINT             INTENDED DESTINATION
          LEMMON,S DAK                LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GROUND-WATER LOOP-SWERVE                                 TAKEOFF: RUN
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO MAINTAIN DIRECTIONAL CONTROL
        FACTOR(S)
           PILOT IN COMMAND - SELECTED WRONG RUNWAY RELATIVE TO EXISTING WIND
           WEATHER - UNFAVORABLE WIND CONDITIONS
        WEATHER BRIEFING - NO RECORD OF BRIEFING RECEIVED
        WEATHER FORECAST - UNKNOWN/NOT REPORTED
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          CLEAR                                                     10000
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                     NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  RELATIVE BEARING OF WIND
          NONE                                                     LEFT CROSS WIND 248-292 DEGREES
        WIND DIRECTION-DEGREES                                   WIND VELOCITY-KNOTS
           40                                                       10
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          VFR                                                      NONE
```

## Aircraft

- Registration: [N5740C](https://openairdocs.org/deregistered/N5740C-2018-08-18), registration cancelled 2018-08-18, S/N 19694, built 1950 (OpenAirDocs)
- Reported make and model: CESSNA 170A
- Registry model: [Cessna 170A](https://openairdocs.org/model/cessna-170a) (registry code 2072304) (OpenAirDocs)
- Registry engine: [Continental C145 series](https://openairdocs.org/engine/continental-c145-series) (registry code 17012, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Lemmon Municipal

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

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